Bolts

Hexagon Bolts

  • Standard: DIN931,DIN933, DIN960,DIN961, ANSI/ASME B18.2.1
  • Specs: diameter from M3 to M64, from 1/4-20”to 2”-4.5, length from 20 mm to 320 mm
  • Grade: Class 4.8，6.8，8.8，10.9，12.9, Grade 2,5,8, A2-70,A4-80
  • Material: carbon steel, SS304,SS316
  • Coating: plain,zinc,black, HDG,yellow zinc(Cr3+),black zinc,white zinc, yellow zinc,nickle plating,dacromet

Hexagon Flange Bolts

  • Standard: DIN6921, ANSI/ASME B18.2.1
  • Specs: diameter from M5 to M20, from 1/4”to 3/4”, length from 1.1/4”  to 6”
  • Grade: Class 4.8，6.8，8.8，10.9, Grade 2,5, A2-70,A4-80
  • Material: carbon steel, SS304,SS316
  • Coating:plain,zinc,black,yellow zinc,nickle/zinc alloy plain,nickle/zinc alloy black,grey phosphate, dacromet

Carriage Bolts/Mushroom Head Square Neck Bolts

  • Standard: DIN603, ANSI/ASME B18.5
  • Specs: diameter from M5 to M20 from 1/4”to 3/4”, length from 3/8”  to 11”,from 16 mm to 200 mm
  • Grade: Class 4.8，6.8，8.8，10.9, Grade 2,5, A2-70,A4-80
  • Material: carbon steel, SS304,SS316
  • Coating:plain,zinc,black,yellow zinc,nickle/zinc alloy plain,nickle/zinc alloy black,grey phosphate, dacromet

Square Head Bolts

  • Standard: ANSI/ASME B18.2.1,ANSI/ASME B18.2.3.10M
  • Specs: diameter from M6 to M30 from 1/4”to 1.1/2”, length from 1.1/4”  to 10”,from 12 mm to 300 mm
  • Grade: Class 4.8，6.8，8.8,Grade 2,5
  • Material: carbon steel
  • Coating:plain,zinc,black

Flat Countersunk Head Square Neck Bolts

  • Standard: DIN608
  • Specs: diameter from M10 to M12, from 5/16”to 1”, length from 3/4”  to 6”,from 25 mm to 50 mm
  • Grade: Class 4.8，6.8，8.8,Grade 2,5,8
  • Material: carbon steel
  • Coating:plain,zinc,black

U Type Bolts

  • Standard: DIN3570
  • Specs: diameter from M10 to M24, height from from 70 mm to 589 mm
  • Grade: Class 4.8,A2-70
  • Material: carbon steel，SS314
  • Coating:plain,zinc